MRI diagnosis of suprascapular neuropathy using spinoglenoid notch distension

Purpose To assess the use of a spinoglenoid notch distension measurement as a radiographic marker on MRI to aid the diagnosis of suprascapular neuropathy. Methods Spinoglenoid notch distension was compared on MRI by blinded independent observers for two patient cohorts: one group with an electromyog...

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Bibliographic Details
Published in:Radiologia medica 2019-07, Vol.124 (7), p.643-652
Main Authors: Katsuura, Yoshihiro, Hill, Andrew J., Colón, Luis Felipe, Dorizas, John A.
Format: Article
Language:English
Subjects:
Diagnosis
Diagnostic Radiology
Electromyography
Imaging
Interventional Radiology
Medicine
Medicine & Public Health
Musculoskeletal Radiology
Neuroradiology
Radiology
Ultrasound
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Summary:Purpose To assess the use of a spinoglenoid notch distension measurement as a radiographic marker on MRI to aid the diagnosis of suprascapular neuropathy. Methods Spinoglenoid notch distension was compared on MRI by blinded independent observers for two patient cohorts: one group with an electromyography/nerve conduction study confirmed diagnosis of suprascapular neuropathy who underwent arthroscopic suprascapular nerve decompression, and a control group of patients aged 18–30 years with a normal shoulder MRI. Results Sixty suprascapular nerve patients (average age 52 years) were compared to 47 control patients (average age 24 years). Intra-rater and inter-rater reliability showed excellent agreement between reviewers for all measurements. There was a significant difference in the mean spinoglenoid notch distension for the SSN group ( m  = 8.36, SD = 2.42) compared to the control group ( m  = 5.7, SD = 1.56); [ t (212) = 9.40, p  
ISSN:0033-8362
1826-6983
DOI:10.1007/s11547-019-01005-z